I have sold homes for FSBOs (For Sale By Owner). I have also represented buyers who have purchased homes from FSBOs. In every instance, the seller was either listing their home for less than it was worth, or my buyers closed escrow with instant equity. Every FSBO thinks they will save money by not paying commissions. However, the FSBOs that trusted me to sell their homes ended up with much more money than had they sold on their own.
Things to consider when selling on your own:
If you are unable to answer any of the above questions, we should have a conslutation. Selling your home is much more than getting an offer and "cashing the check." Don't gamble with one of your largest investments.